So it has been certified by the Swiss CAA. It’s officially named “Junkers F 13” now not Rimowa anymore. Manufacturer’s name has been changed to Junkers Flugzeugwerke AG at Dübendorf in Switzerland.

Pic and german newsbit:
https://www.flugrevue.de/zivilluftfahrt/flugzeuge/junkers-f-13-ist-wieder-verkehrszugelassen/750818